diff --git a/lib/rage/openapi/openapi.rb b/lib/rage/openapi/openapi.rb
index 2e889ccb..a9484ec5 100644
--- a/lib/rage/openapi/openapi.rb
+++ b/lib/rage/openapi/openapi.rb
@@ -156,9 +156,15 @@ def self.__type_to_spec(type, default: false)
 
   # @private
   def self.__log_warn(log)
+    __warnings << log
     puts "[OpenAPI] WARNING: #{log}"
   end
 
+  # @private
+  def self.__warnings
+    @__warnings ||= []
+  end
+
   module Nodes
   end
 
diff --git a/lib/rage/tasks.rb b/lib/rage/tasks.rb
index 95e94293..a3adf783 100644
--- a/lib/rage/tasks.rb
+++ b/lib/rage/tasks.rb
@@ -7,6 +7,7 @@ class Rage::Tasks
   class << self
     def init
       load_db_tasks if defined?(StandaloneMigrations)
+      load_rage_tasks
       load_app_tasks
     end
 
@@ -34,5 +35,9 @@ def configuration_file
     def load_app_tasks
       Dir[Rage.root.join("lib/tasks/**/*.rake")].each { |file| load file }
     end
+
+    def load_rage_tasks
+      Dir[File.expand_path("tasks/**/*.rake", __dir__)].each { |file| load file }
+    end
   end
 end
diff --git a/lib/rage/tasks/openapi.rake b/lib/rage/tasks/openapi.rake
new file mode 100644
index 00000000..aef97707
--- /dev/null
+++ b/lib/rage/tasks/openapi.rake
@@ -0,0 +1,12 @@
+namespace :openapi do
+  task :validate do
+    Rage::OpenAPI.build
+
+    if Rage::OpenAPI.__warnings.any?
+      puts "OpenAPI validation failed. Warnings: #{Rage::OpenAPI.__warnings}"
+      exit 1
+    else
+      puts "OpenAPI validation passed without warnings."
+    end
+  end
+end